package com.itheima.consumer;

import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.messaging.converter.MessageConverter;

@SpringBootApplication
public class ConsumerApplication {
    public static void main(String[] args) {
        SpringApplication.run(ConsumerApplication.class, args);
    }

    @Bean
    public Jackson2JsonMessageConverter messageConverter(){
        //1.自定义消息转换器
        Jackson2JsonMessageConverter jackson2JsonMessageConverter = new Jackson2JsonMessageConverter();
        //2.配置自动创建消息id,用于识别不同消息，也可以在业务中基于ID判断是否是重复消息
        jackson2JsonMessageConverter.setCreateMessageIds(true);
        return  jackson2JsonMessageConverter;
    }
}
